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Omni-MATH / Let S=1,2,…,2013. Find the number of ordered triples (A,B,C) of subsets of S such that A⊆B and A∪B∪C=S. · Discussion

Discussing Let S={1,2,…,2013}. Find the number of ordered triples (A,B,C) of subsets of S such that A⊆B and A∪B∪C=S. · Omni-MATH

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